java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 01:29:48,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 01:29:48,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 01:29:48,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 01:29:48,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 01:29:48,777 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 01:29:48,778 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 01:29:48,780 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 01:29:48,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 01:29:48,783 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 01:29:48,784 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 01:29:48,784 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 01:29:48,785 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 01:29:48,786 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 01:29:48,787 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 01:29:48,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 01:29:48,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 01:29:48,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 01:29:48,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 01:29:48,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 01:29:48,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 01:29:48,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 01:29:48,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 01:29:48,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 01:29:48,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 01:29:48,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 01:29:48,803 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 01:29:48,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 01:29:48,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 01:29:48,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 01:29:48,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 01:29:48,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 01:29:48,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 01:29:48,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 01:29:48,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 01:29:48,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 01:29:48,810 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-19 01:29:48,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 01:29:48,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 01:29:48,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 01:29:48,829 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 01:29:48,829 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 01:29:48,829 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 01:29:48,830 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 01:29:48,830 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 01:29:48,830 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 01:29:48,830 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 01:29:48,830 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 01:29:48,831 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 01:29:48,832 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 01:29:48,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 01:29:48,832 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 01:29:48,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 01:29:48,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 01:29:48,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 01:29:48,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 01:29:48,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 01:29:48,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 01:29:48,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 01:29:48,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 01:29:48,834 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 01:29:48,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:29:48,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 01:29:48,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 01:29:48,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 01:29:48,837 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 01:29:48,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 01:29:48,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 01:29:48,837 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 01:29:48,838 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 01:29:48,838 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 01:29:48,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 01:29:48,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 01:29:48,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 01:29:48,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 01:29:48,936 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 01:29:48,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-09-19 01:29:49,284 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0095f26/7159ee84441049cf9b839687d0d0ae3d/FLAG3681b0c4b [2018-09-19 01:29:49,588 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 01:29:49,589 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-09-19 01:29:49,616 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0095f26/7159ee84441049cf9b839687d0d0ae3d/FLAG3681b0c4b [2018-09-19 01:29:49,633 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0095f26/7159ee84441049cf9b839687d0d0ae3d [2018-09-19 01:29:49,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 01:29:49,647 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 01:29:49,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:49,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 01:29:49,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 01:29:49,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201dfe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:49, skipping insertion in model container [2018-09-19 01:29:49,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:29:49" (1/1) ... [2018-09-19 01:29:49,674 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 01:29:50,215 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:50,242 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 01:29:50,400 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 01:29:50,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50 WrapperNode [2018-09-19 01:29:50,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 01:29:50,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:50,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 01:29:50,439 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 01:29:50,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 01:29:50,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 01:29:50,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 01:29:50,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 01:29:50,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... [2018-09-19 01:29:50,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 01:29:50,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 01:29:50,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 01:29:50,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 01:29:50,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 01:29:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 01:29:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 01:29:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 01:29:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 01:29:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 01:29:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 01:29:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 01:29:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 01:29:54,189 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 01:29:54,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:54 BoogieIcfgContainer [2018-09-19 01:29:54,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 01:29:54,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 01:29:54,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 01:29:54,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 01:29:54,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:29:49" (1/3) ... [2018-09-19 01:29:54,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66310b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:54, skipping insertion in model container [2018-09-19 01:29:54,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:29:50" (2/3) ... [2018-09-19 01:29:54,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66310b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:29:54, skipping insertion in model container [2018-09-19 01:29:54,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:29:54" (3/3) ... [2018-09-19 01:29:54,199 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label06_true-unreach-call_false-termination.c [2018-09-19 01:29:54,210 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 01:29:54,221 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 01:29:54,280 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 01:29:54,281 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 01:29:54,281 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 01:29:54,281 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 01:29:54,281 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 01:29:54,282 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 01:29:54,282 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 01:29:54,282 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 01:29:54,282 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 01:29:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-19 01:29:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-19 01:29:54,331 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:29:54,333 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:29:54,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:29:54,339 INFO L82 PathProgramCache]: Analyzing trace with hash 482475453, now seen corresponding path program 1 times [2018-09-19 01:29:54,342 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:29:54,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-09-19 01:29:54,347 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-19 01:29:54,422 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:29:54,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:30:13,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:30:13,458 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-19 01:30:13,477 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:30:16,082 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-19 01:30:16,082 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:30:17,439 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:30:17,441 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:30:17,442 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 01:30:17,442 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:30:17,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 01:30:17,456 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 01:30:17,458 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-19 01:30:17,460 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-19 01:30:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:30:24,349 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-19 01:30:24,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 01:30:24,351 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2018-09-19 01:30:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:30:24,371 INFO L225 Difference]: With dead ends: 475 [2018-09-19 01:30:24,371 INFO L226 Difference]: Without dead ends: 265 [2018-09-19 01:30:24,379 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-19 01:30:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-19 01:30:24,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-19 01:30:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-19 01:30:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-19 01:30:24,455 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 131 [2018-09-19 01:30:24,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:30:24,455 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-19 01:30:24,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 01:30:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-19 01:30:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-19 01:30:24,462 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:30:24,462 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:30:24,463 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:30:24,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2003702278, now seen corresponding path program 1 times [2018-09-19 01:30:24,464 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:30:24,464 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-09-19 01:30:24,465 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:30:24,474 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:30:24,474 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:31:14,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:31:14,164 INFO L272 AbstractInterpreter]: Visited 134 different actions 199 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:31:14,171 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:31:16,979 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.81% of their original sizes. [2018-09-19 01:31:16,979 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:31:18,213 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:31:18,214 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:31:18,214 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:31:18,214 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:31:18,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:31:18,216 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:31:18,216 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:31:18,216 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 14 states. [2018-09-19 01:31:28,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:31:28,205 INFO L93 Difference]: Finished difference Result 608 states and 996 transitions. [2018-09-19 01:31:28,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 01:31:28,209 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 140 [2018-09-19 01:31:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:31:28,216 INFO L225 Difference]: With dead ends: 608 [2018-09-19 01:31:28,216 INFO L226 Difference]: Without dead ends: 410 [2018-09-19 01:31:28,220 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-09-19 01:31:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-09-19 01:31:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 403. [2018-09-19 01:31:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-19 01:31:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 549 transitions. [2018-09-19 01:31:28,270 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 549 transitions. Word has length 140 [2018-09-19 01:31:28,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:31:28,271 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 549 transitions. [2018-09-19 01:31:28,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:31:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-09-19 01:31:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-19 01:31:28,277 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:31:28,277 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:31:28,278 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:31:28,278 INFO L82 PathProgramCache]: Analyzing trace with hash -879449942, now seen corresponding path program 1 times [2018-09-19 01:31:28,278 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:31:28,279 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-09-19 01:31:28,279 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:31:28,286 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:31:28,287 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:32:17,674 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:32:17,675 INFO L272 AbstractInterpreter]: Visited 134 different actions 198 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-19 01:32:17,711 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:32:21,147 INFO L232 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.8% of their original sizes. [2018-09-19 01:32:21,148 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:32:22,075 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:32:22,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:32:22,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:32:22,076 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:32:22,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:32:22,076 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:32:22,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:32:22,077 INFO L87 Difference]: Start difference. First operand 403 states and 549 transitions. Second operand 14 states. [2018-09-19 01:32:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 01:32:37,597 INFO L93 Difference]: Finished difference Result 1242 states and 2111 transitions. [2018-09-19 01:32:37,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 01:32:37,602 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 143 [2018-09-19 01:32:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 01:32:37,610 INFO L225 Difference]: With dead ends: 1242 [2018-09-19 01:32:37,610 INFO L226 Difference]: Without dead ends: 1044 [2018-09-19 01:32:37,613 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 127 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=1110, Unknown=0, NotChecked=0, Total=1406 [2018-09-19 01:32:37,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-09-19 01:32:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1033. [2018-09-19 01:32:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-09-19 01:32:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1227 transitions. [2018-09-19 01:32:37,692 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1227 transitions. Word has length 143 [2018-09-19 01:32:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 01:32:37,693 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1227 transitions. [2018-09-19 01:32:37,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 01:32:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1227 transitions. [2018-09-19 01:32:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-19 01:32:37,697 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 01:32:37,697 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 01:32:37,698 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 01:32:37,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1394359725, now seen corresponding path program 1 times [2018-09-19 01:32:37,698 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 01:32:37,699 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-09-19 01:32:37,699 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-19 01:32:37,706 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 01:32:37,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 01:33:59,160 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 01:33:59,160 INFO L272 AbstractInterpreter]: Visited 135 different actions 337 times. Merged at 7 different actions 17 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-09-19 01:33:59,169 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 01:34:01,868 INFO L232 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 80.78% of their original sizes. [2018-09-19 01:34:01,868 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 01:34:02,743 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 01:34:02,744 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 01:34:02,744 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 01:34:02,744 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 01:34:02,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 01:34:02,745 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 01:34:02,746 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 01:34:02,746 INFO L87 Difference]: Start difference. First operand 1033 states and 1227 transitions. Second operand 14 states. Received shutdown request... [2018-09-19 01:34:15,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-09-19 01:34:15,956 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 01:34:15,963 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 01:34:15,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:34:15 BoogieIcfgContainer [2018-09-19 01:34:15,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 01:34:15,964 INFO L168 Benchmark]: Toolchain (without parser) took 266319.68 ms. Allocated memory was 1.6 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,967 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 01:34:15,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,969 INFO L168 Benchmark]: Boogie Preprocessor took 206.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -871.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,970 INFO L168 Benchmark]: RCFGBuilder took 3433.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,971 INFO L168 Benchmark]: TraceAbstraction took 261772.29 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: -597.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-19 01:34:15,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.45 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -871.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3433.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261772.29 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: -597.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 548]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 548). Cancelled while BasicCegarLoop was constructing difference of abstraction (1033states) and FLOYD_HOARE automaton (currently 33 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (1743 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 261.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 45.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 927 SDtfs, 3803 SDslu, 1526 SDs, 0 SdLazy, 8704 SolverSat, 823 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 630 GetRequests, 513 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1033occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 199.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.994725935248677 AbsIntWeakeningRatio, 0.20640569395017794 AbsIntAvgWeakeningVarsNumRemoved, 2662.8398576512454 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_01-34-15-995.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label06_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_01-34-15-995.csv Completed graceful shutdown